contoh kalimat barrel head

• BQ BQU series diamond coring core barrel head assembly
  BQ BQU seri diamond coring core barrel, kepala perakitan
• Wireline Core Barrel Head Assembly BQ NQ HQ PQ Customized Diamond Overshot Tool
  Inti wireline barel kepala Majelis BQ NQ HQ PQ disesuaikan Diamond alat Overshot
• BWL BWL-U series diamond coring core barrel head assembly mineral exploration geotechnical environmental drilling
  BWL BWL-U seri intan berlian core barel perakitan kepala eksplorasi mineral geoteknik pengeboran lingkungan